Level 64
Can a security suite completely clean up and repair a Windows system after an infection? In a sophisticated lab test throughout the year 2015, involving 4 test rounds, 7 products demonstrate their protection, clean-up and, above all, repair capabilities.

The test included the following products:
• AVG Internet Security 2015
• Avira Antivirus Pro 15.0
• Bitdefender Internet Security 2015
• ESET Smart Security 8
• G Data Internet Security 25.1
• Kaspersky Internet Security 2015
• Microsoft Security Essentials 4.8

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It is unreasonable to expect that security softs will be able to completely remove infections 100 % of the time - under all usage conditions.

Malware removal can be difficult.

The best removal method is manual - or - clean install your OS.


Level 19
Results can be variable with time - product component updates, OS component updates, additional security layer changes in the user config(eg-router), type of malware infection - new, old, it's diagnosis early/late, severity- high(rootkit) low(adware), additional tools used, and the malware entry point(user/exploit/browser etc), all can lead to so many possibilities in the real world, and add to that no software is perfect.A grain of salt for sure.